/*
 ** $Id: linit.c,v 1.39.1.1 2017/04/19 17:20:42 roberto Exp $
 ** Initialization of libraries for lua.c and other clients
 ** See Copyright Notice in lua.h
 */


#define linit_c
#define LUA_LIB

/*
 ** If you embed Lua in your program and need to open the standard
 ** libraries, call luaL_openlibs in your program. If you need a
 ** different set of libraries, copy this file to your project and edit
 ** it to suit your needs.
 **
 ** You can also *preload* libraries, so that a later 'require' can
 ** open the library, which is already linked to the application.
 ** For that, do the following code:
 **
 **  luaL_getsubtable(L, LUA_REGISTRYINDEX, LUA_PRELOAD_TABLE);
 **  lua_pushcfunction(L, luaopen_modname);
 **  lua_setfield(L, -2, modname);
 **  lua_pop(L, 1);  // remove PRELOAD table
 */

#include "lprefix.h"


#include <stddef.h>

#include "lua.h"

#include "lualib.h"
#include "lauxlib.h"


/*
 ** these libs are loaded by lua.c and are readily available to any Lua
 ** program
 */
static const luaL_Reg loadedlibs[] = {
    {"_G", luaopen_base},
    {LUA_LOADLIBNAME, luaopen_package},
    {LUA_COLIBNAME, luaopen_coroutine},
    {LUA_TABLIBNAME, luaopen_table},
    {LUA_IOLIBNAME, luaopen_io},
    {LUA_OSLIBNAME, luaopen_os},
    {LUA_STRLIBNAME, luaopen_string},
    {LUA_MATHLIBNAME, luaopen_math},
    {LUA_UTF8LIBNAME, luaopen_utf8},
    {LUA_DBLIBNAME, luaopen_debug},
    {LUA_CJSONLIBNAME, luaopen_cjson},
    {LUA_CJSONSAFELIBNAME, luaopen_cjson_safe},
    {LUA_LFSLIBNAME, luaopen_lfs},
#if defined(LUA_COMPAT_BITLIB)
    {LUA_BITLIBNAME, luaopen_bit32},
#endif
    {NULL, NULL}
};

LUALIB_API void luaL_openlibs(lua_State *L) {
    const luaL_Reg *lib;
    /* "require" functions from 'loadedlibs' and set results to global table */
    for (lib = loadedlibs; lib->func; lib++) {
        luaL_requiref(L, lib->name, lib->func, 1);
        lua_pop(L, 1); /* remove lib */
    }
}

